Servive entrey sheet print out

Dear Gents,

While I creating  message to print out the service entry sheet I did the following steps

T code:MN15 for display the current message  what is   if there

then choose OUTPUT TYPE  NEU Entry of Srvc Prfmd

Key combination

Purchasing Output Determination Document Type

then Execute  so i didn't  find the  NEU as  purchasing  document type  in the  list of documents

I see its assign   Doc.Type  NB  PR Fun: VN     M:1  D:4  Lang:EN

Kindly Advice